| Decoders for converting a four bit binary code into a hexadecimal display are often few and far be- tween. With the aid of the PROM programm...
| Decoders for converting a four bit binary code into a hexadecimal display are often few and far be- tween. With the aid of the PROM programm...
| 7.84 elektor july/august 1980 90 The LED display described here can be used in a variety of applications ranging from tachometers to audio m...
| 1 91 a better piano octave2 CI (,.-101-0)c-1-""""1::::: Quite a lot of magazine space has already been dedicated to the Elektor piano. By no...
| 7-86 elektor july/august 1980 4700p Because of its internal reference source, the LM 10 is eminently suitable for use in power supplies. By...
| 00-11 220n R2 • sin CIE MIN R9 IC2 LM 311 4 Computer 0 O O Ra O+12V ® 5V Al FSK (Frequency Shift Keying) signals can be demodulated in a...
| 7-88 elektor july/august 1980 n 9 • cra Cl 330n 14 •0 JD" D1= 10 V 400 rnW M R2 N2 R3 R8 P3 R9 P4 111 100k 10k M7= > 10 k1-2/V 0 ... 2 V...
| Interference pulses in remote control receivers are a nuisance. Worse, when the control is for model planes they can be fatal . . . A quite...
| Readers who have built the five octave version of the Elektor piano can extend its frequency range by the addition of two more octaves with...
| 7-90 elektor July/august 1980 Programmable Read Only Memories 1 are finding their way into more and more electronic construction projects. U...
| An expensive item in any shop- keeper"s budget is the cost of illumi- nating the window display. One method of reducing costs is to keep the...